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ER-16 3-Jaw self-centering chuck
ER-16 3-Jaw self-centering chuck

Product #: 1042
Price: $168.00

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Comments or Special Instructions
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Sherline offers their 3.1″ three-jaw and four-jaw self-centering chucks with a 22 x 1.5 mm threaded hole for use on Sherline’s optional ER-16 spindle nose. They can also be used with certain other ER-16 spindles that use the 22 x 1.5mm thread for the collet nut.

Self-centering chucks offer a quick and convenient way to hold a workpiece while it is turned on the lathe. A chuck can also be clamped to a mill table to hold a part for milling. Sherline manufactures our own chucks to a high degree of precision on CNC machines. The jaws are ground and fitted to each chuck by skilled technicians to assure maximum accuracy. Runout is specified to be .003″ or less at the chuck jaws.

NOTE: The chuck should not be used in applications where spindle speed exceeds 3000 RPM. If purchasing any of these chucks for use on a non-Sherline ER-16 spindle, confirm that the spindle nose thread is 22 x 1.5 mm before purchasing. The Sherline chuck has a collar that is machined flat at the back to seat against the face of the Sherline ER-16 spindle. This may not be compatible with some non-Sherline ER-16 collet adapters or industrial tool holders. Runout accuracy cannot be guaranteed unless used with a Sherline spindle.

Jaw Options

  • For those who have jobs where speed and ease of use are more important than maximum accuracy and want a chuck that is loose right from the start (No extra charge).
    Add the note “loose jaws” to the “comments/special instructions” box.
  • Soft (unhardened) steel jaws are also available upon request (No extra charge).
    Add the note “soft jaws” to the “comments/special instructions” box.
  • Interchangeable top jaws are also available.

Specifications

  • Chuck Diameter - 3.1″
  • Jaw Capacity - With jaws in normal position: 3/32″ (2mm) – 1-1/2″ (38mm). With jaws in reverse position: 3/32″ (2mm) – 2-3/4″ (70mm)
  • Through Hole Diameter - .687″ (17mm)
  • Thread Size - 22mm x 1.5mm
  • Chuck Body Material - 12L14 Steel
  • Chuck Jaws Material - 12L14 Case Hardened Steel

Download PDF 1040 Instructions

Instructions PDF Download

 




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